Bird specimens deposited at the Yamashina Institute for Ornithology (YIO), including skins, spread wings, skeletal specimens, spirit specimens, eggs, and nests, mainly collected from the East Asia region.

GBIF url: https://www.gbif.org/dataset/53bf6dc4-18f5-11e2-98fb-00145eb45e9a
Citation: Iwami Y, Yamasaki T (2026). Bird specimens of the Yamashina Institute for Ornithology. National Museum of Nature and Science, Japan. Occurrence dataset https://doi.org/10.15468/aworf3 accessed via GBIF.org on 2026-06-11.